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How to change the cylinder liner of Wuling Zhiguang
1. After disassembling the cylinder liner to be replaced, the original body should be thoroughly cleaned, and its stiffness and position accuracy should be strictly checked, especially the shape tolerance of the sleeve hole of the cylinder block. If the stiffness and position accuracy of the original body are difficult to remedy, the body can only be renewed;
2. Correctly install the piston ring, remember not to assemble it roughly, choose the correct piston ring caliper for assembly, and avoid the piston ring being damaged by stress during the assembly process, resulting in abnormal operation;
3. Strictly check and clean the engine cooling system, especially check the working efficiency of the water pump and the tension of the water pump belt to prevent the engine from overheating due to cooling system failure;
4. Replace the contaminated oil, clean the oil circuit, oil nozzle and air intake, and replace the high-quality three filters;
5. Ensure the technical parameters of the injector and oil pump of the engine under normal working conditions;
6. To start the engine, it is necessary to gradually increase the load from small to large, and grind for several hours;
7. After the grinding process, before allowing the engine to work normally, replace the oil filter element again, and release the oil drain hole plug of the oil pan to remove the metal chips in the oil after running-in, or replace with new oil.
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